BioniX Wallpaper ManagerBioniX Wallpaper offers advanced features that no other wallpaper changer offer. For example, with Lock on folder you can monitor a folder and automatically update the playlist when wallpapers are added to that folder. Another cool feature is 'Day/night' which allows you to display a specific wallpaper on your desktop based on your local time (for example a sunrise wallpapers in the morning and sunset wallpapers in the evening). You can choose which wallpaper appears at which hour of the day.